49An experiment showing paradoxical consequences of this idea was performed by Afshar et. al[2](arXiv:quant-ph/0702188)and followed by a controversial discussion[146],[72](arXiv:0807.5079) [52](arXiv:1001.4785). From the pointof view of the SI complementarity is a strange and contradictory concept that can be refuted for purely logicalreasons